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公开(公告)号：US20150154809A1
公开(公告)日：2015-06-04
申请号：US14540440
申请日：2014-11-13
发明人： Zhiqiang CHEN , Yuanjing LI , Ziran ZHAO , Shuo WANG , Jianping GU , Yunda SUN
CPC分类号： G06T19/20 , G06T7/0012 , G06T15/06 , G06T15/08 , G06T15/10 , G06T17/005 , G06T2207/10136 , G06T2210/12 , G06T2219/2021
摘要： The present disclosure provides method and apparatus for marking a target in a 3D image. The method include steps of: acquiring Computed Tomography (CT) image data of a scene; rendering a 3D image of the scene using ray casting based on the CT image data; removing a transparent region from the 3D image based on a fixed 2D transfer function; and marking the target in the 3D image.
摘要翻译： 本公开提供了用于在3D图像中标记目标的方法和装置。 该方法包括以下步骤：获取场景的计算机断层扫描（CT）图像数据; 使用基于CT图像数据的射线投射来渲染场景的3D图像; 基于固定的2D传递函数从3D图像中去除透明区域; 并在3D图像中标记目标。
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2.发明申请公开(公告)号：US20170285218A1
公开(公告)日：2017-10-05
申请号：US15301060
申请日：2015-12-16
发明人： Li ZHANG , Shuo WANG , Yunda SUN , Qingping HUANG
CPC分类号： G01V5/005 , G01N23/04 , G01N23/046 , G06T7/0002 , G06T7/40 , G06T7/50 , G06T7/90 , G06T2207/10072
摘要： The present disclosure provides a method and device for operating a CT-based three-dimensional image used for security inspection. The method includes: providing a CT-based three-dimensional image used for security inspection; accepting a selection of an image of an object in the three-dimensional image; and responding to the selection. The present disclosure has strong practicality, and can provide effective reference information for image judgment in the CT-based security inspection field.
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公开(公告)号：US20230350053A1
公开(公告)日：2023-11-02
申请号：US18139411
申请日：2023-04-26
CPC分类号： G01S13/887 , G06T5/50 , G06T7/62 , G06T7/70 , G06V10/761 , G06V20/70 , G06V2201/07 , G06T2207/20081 , G06T2207/20104 , G06T2207/20221
摘要： Provided are a method and an apparatus of training a radiation image recognition model online and a method and an apparatus of recognizing a radiation image. Preset data is pre-stored in a radiation inspection system, and the preset data includes a first radiation image. The method of training radiation image recognition model online includes: collecting a second radiation image at the radiation inspection site; labeling the second radiation image online to form on-site collected data having a second labeling information, wherein the second labeling information is an incomplete labeling information of the second radiation image, and the second labeling information is used to indicate at least one of objects of interest in the second radiation image; synthesizing the preset data and the on-site collected data online to form a training data set; and training the radiation image recognition model online using the training data set.
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公开(公告)号：US20150206326A1
公开(公告)日：2015-07-23
申请号：US14540413
申请日：2014-11-13
发明人： Ziran ZHAO , Li ZHANG , Zhiqiang CHEN , Shuo WANG , Jianping GU , Yunda SUN
IPC分类号： G06T11/00 , G06T15/06 , G06T15/04 , G06T15/80 , G06T7/00 , G06T15/08 , G06T15/40 , G06T3/40 , G06T15/20 , G06T1/20 , G06T1/00 , G06T15/60
CPC分类号： G06T1/0007 , G06T1/20 , G06T3/403 , G06T11/001 , G06T11/008 , G06T15/04 , G06T15/06 , G06T15/08 , G06T15/205 , G06T15/405 , G06T15/60 , G06T15/80 , G06T2200/04 , G06T2200/08 , G06T2200/28 , G06T2207/10072 , G06T2207/10081 , G06T2210/04 , G06T2215/12 , G06T2219/2008
摘要： The present disclosure provides a method for rendering of CT image data. The method includes acquiring 2D image data of a background and 2D image data of a target; rendering the 2D image data of the target into a 3D image of the target to obtain a first hit position of a ray; rendering the 2D image data of the background into a 3D image of the background; adjusting the 3D image of the background based on the first hit position; and synthetically rendering the 3D image of the background and the 3D image of the target. The present disclosure also provides apparatus for implementing the method.
摘要翻译： 本公开提供了一种用于呈现CT图像数据的方法。 该方法包括获取背景的2D图像数据和目标的2D图像数据; 将目标的2D图像数据呈现为目标的3D图像，以获得射线的第一命中位置; 将背景的2D图像数据呈现为背景的3D图像; 基于第一命中位置调整背景的3D图像; 并综合渲染背景的3D图像和目标的3D图像。 本公开还提供了用于实现该方法的装置。
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公开(公告)号：US20170176631A1
公开(公告)日：2017-06-22
申请号：US15300668
申请日：2015-12-15
发明人： Zhiqiang CHEN , Li ZHANG , Shuo WANG , Yunda SUN , Qingping HUANG , Zhi TANG
CPC分类号： G01V5/005 , G01N23/046 , G01N2223/401 , G01N2223/419 , G01N2223/643 , G01V5/0041 , G01V5/0058 , G06T11/008
摘要： A method for positioning a target in a three-dimensional CT image and a security check system. The method includes: displaying a three-dimensional CT image; receiving a selection by a user of at least one area of the three-dimensional CT image at a first viewing angle to generate a first three-dimensional description; receiving a selection by the user of at least one area of the three-dimensional CT image at a second viewing angle to generate a second three-dimensional description, wherein an angle between the first viewing angle and the second viewing angle is within a predetermined range and the first three-dimensional description and the second three-dimensional description are related to a size, a location, and/or a physical property of a target at corresponding viewing angles; and determining the target in the three-dimensional CT image based on the first three-dimensional description and the second three-dimensional description.
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6.发明申请Methods and apparatuses for creating a statistical average model of an enamel-dentine junction 审中-公开用于创建釉质 - 牙质结的统计平均模型的方法和装置公开(公告)号：US20150220683A1
公开(公告)日：2015-08-06
申请号：US14540457
申请日：2014-11-13
发明人： Zhiqiang CHEN , Yuanjing LI , Li ZHANG , Ziran ZHAO , Jianping GU , Shuo WANG
CPC分类号： G16B5/00 , G06F17/18 , G06K9/6209 , G06K2209/055 , G06T17/20 , G06T2210/41
摘要： Disclosed is method and apparatus for creating a statistical average model of an enamel-dentine junction. The method includes steps of: acquiring CT image data of a tooth; segmenting the CT image data to obtain a surface of an enamel-dentine junction; segmenting the obtained surface using a curvature-based clustering algorithm to remove a bottom of the enamel-dentine junction; spherical-parameterizing, by means of spherical harmonic analysis, the surface of the enamel-dentine junction after removal of the bottom; and aligning different samples of the tooth to obtain a statistical average model.
摘要翻译： 公开了用于创建釉质 - 牙质结的统计平均模型的方法和装置。 该方法包括以下步骤：获取牙齿的CT图像数据; 分割CT图像数据以获得釉 - 牙质结的表面; 使用基于曲率的聚类算法分割所获得的表面以去除釉质 - 牙质结的底部; 球形参数化，通过球面谐波分析，去除底部后的釉质 - 牙质结的表面; 并对齐不同牙齿样本以获得统计学平均模型。
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7.发明申请公开(公告)号：US20170276823A1
公开(公告)日：2017-09-28
申请号：US15300709
申请日：2015-12-14
发明人： Zhiqiang CHEN , Li ZHANG , Shuo WANG , Yunda SUN , Qingping HUANG , Zhi TANG
IPC分类号： G01V5/00
CPC分类号： G06T11/20 , G01V5/0008 , G01V5/005 , G06K9/46 , G06K9/52 , G06K9/6218 , G06K2009/4666 , G06T7/50 , G06T7/60 , G06T7/75 , G06T15/005 , G06T15/20 , G06T19/20
摘要： Disclosed is a method for positioning a target in a three-dimensional CT image and a CT system for security inspection. The method includes: displaying a three-dimensional CT image; receiving a selection by a user of at least one area of the three-dimensional CT image at a viewing angle; generating at least one set of three-dimensional objects in a depth direction based on the selection; and determining a target object from the set. With the above technical solutions, the user may be facilitated in marking a suspected object in a CT image in a quick manner.
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公开(公告)号：US20160012647A1
公开(公告)日：2016-01-14
申请号：US14748383
申请日：2015-06-24
发明人： Zhiqiang CHEN , Li ZHANG , Shuo WANG , Yunda SUN , Qingping HUANG , Zhi TANG
IPC分类号： G06T19/20 , G06T15/00 , G06T15/20 , G06T11/20 , G06T7/60 , G06T7/00 , G06K9/62 , G06K9/46 , G06K9/52
CPC分类号： G06T11/20 , G01V5/0008 , G01V5/005 , G06K9/46 , G06K9/52 , G06K9/6218 , G06K2009/4666 , G06T7/50 , G06T7/60 , G06T7/75 , G06T15/005 , G06T15/20 , G06T19/20
摘要： A CT system for security check and a method thereof are provided. The method includes: reading inspection data of an inspected object; inserting at least one three-dimensional (3D) Fictional Threat Image (FTI) into a 3D inspection image of the inspected object, which is obtained from the inspection data; receiving a selection of at least one region in the 3D inspection image including the 3D FTI or at least one region in a two-dimensional (2D) inspection image including a 2D FTI corresponding to the 3D FTI, wherein the 2D inspection image is obtained from the 3D inspection image or is obtained from the inspection data; and providing a feedback of the 3D inspection image including at least one 3D FTI in response to the selection. With the above solution, it is convenient for a user to rapidly mark a suspected object in the CT image, and provides a feedback of whether a FTI is included.
摘要翻译： 提供了一种用于安全检查的CT系统及其方法。 该方法包括：读取检查对象的检查数据; 将至少一个三维（3D）虚构威胁图像（FTI）插入到从检查数据获得的被检查对象的3D检查图像中; 在包括3D FTI的3D检查图像中的至少一个区域的选择或者包括对应于3D FTI的2D FTI的二维（2D）检查图像中的至少一个区域，其中2D检查图像从 3D检查图像或从检查数据获得; 以及响应于所述选择提供包括至少一个3D FTI的3D检查图像的反馈。 利用上述解决方案，用户可以快速地标记CT图像中的可疑对象，并提供是否包括FTI的反馈。
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